CN217324162U - Calcium-aluminum alloy ball production line for steelmaking - Google Patents
Calcium-aluminum alloy ball production line for steelmaking Download PDFInfo
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- CN217324162U CN217324162U CN202220811743.7U CN202220811743U CN217324162U CN 217324162 U CN217324162 U CN 217324162U CN 202220811743 U CN202220811743 U CN 202220811743U CN 217324162 U CN217324162 U CN 217324162U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model provides a calcium-aluminium alloy ball production line for steelmaking, this production line include the pressure ball device, and this pressure ball device includes: the forming unit comprises a left forming roller and a right forming roller which are arranged in parallel, and the two forming rollers comprise roller bodies and roller sleeves sleeved on the peripheral surfaces of the roller bodies; the feeding unit comprises a feeding screw extending along the vertical direction, and the feeding screw is positioned above a gap space formed by the left forming roller and the right forming roller; and the cooling unit comprises an infusion spiral connected in the roller body, and the infusion spiral is used for promoting a cooling medium to flow in the roller body so as to control the temperature rise of the roller body and the roller sleeve. The embodiment of the utility model discloses calcium-aluminum alloy ball production line for steelmaking promotes the cooling medium through the infusion spiral and flows at this internal high speed of roller, and the cooling medium absorbs heat rapidly in the flow, keeps the stability of roller shell temperature, has guaranteed the compactness that roller body and roller shell are connected, makes the die mould technology can continuously go on steadily, has guaranteed the balling-up quality of raw and other materials.
Description
Technical Field
The utility model relates to a calcium-aluminum alloy ball preparation field, in particular to calcium-aluminum alloy ball production line for steelmaking.
Background
The calcium-aluminum alloy ball is mainly applied to various steelmaking processes such as converters, refining and the like, has good foaming degree, can be quickly melted and quickly diffused when being added into molten steel, ensures that good reducing atmosphere is formed in the molten steel, ensures that a deoxidation product generated by reaction can quickly float on the slag surface, can prevent elements from being oxidized, plays the roles of promoting the deoxidation of the molten steel and purifying the molten steel, and improves the metal recovery rate. In the production link of the calcium-aluminum alloy balls, materials can be pressed and molded through the ball pressing device, the temperature of a roller sleeve of the ball pressing device is increased after long-time mechanical work or physical compression friction, the roller sleeve and a roller body are mostly assembled in a certain interference fit mode, the roller sleeve and the roller body are affected by thermal expansion and cold contraction, the interference magnitude of the roller sleeve and the roller body is reduced, the roller sleeve and the roller body are loosened, and the quality of raw material balling is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can control the roller shell temperature rise, make the die mould technology calcium-aluminum alloy ball production line for steelmaking that can go on constantly and stably.
The utility model provides a calcium-aluminium alloy ball production line for steelmaking, this production line include the pressure ball device, and the pressure ball device includes:
the forming unit comprises a left forming roller and a right forming roller which are arranged in parallel, and the two forming rollers comprise roller bodies and roller sleeves sleeved on the peripheral surfaces of the roller bodies;
a feeding unit including a feeding screw extending in a vertical direction, the feeding screw being located above a gap space formed by the left and right forming rollers;
and the cooling unit comprises an infusion spiral connected in the roller body, and the infusion spiral is used for promoting a cooling medium to flow in the roller body so as to control the temperature rise of the roller body and the roller sleeve.
Preferably, the cooling unit further comprises a liquid guide cylinder, the liquid guide cylinder is inserted into the roller body, and a gap is formed between the liquid guide cylinder and the roller body, so that a water flow channel is formed between the roller body and the liquid guide cylinder.
Preferably, a reduced diameter portion having a reduced outer diameter is formed at one end of the liquid guide cylinder, one end of the reduced diameter portion extends out of the roller body to form a cooling medium outlet, and a through hole is formed in the reduced diameter portion located inside the roller body.
Preferably, the roller body has reduced diameter portions formed at both ends thereof, the reduced diameter portions having reduced outer diameters, and each reduced diameter portion is inserted into the bearing.
Preferably, gaps are formed between two end faces of the liquid guide cylinder and two end faces of the roller body.
Preferably, the cooling unit further comprises a liquid supply tank, a bearing is fixed on one side of the liquid supply tank, a reducing part with a cooling medium outlet is inserted into the bearing and extends into the liquid supply tank, so that the left forming roller and the right forming roller are rotatably connected with the liquid supply tank.
Preferably, at least one end part of the liquid guide cylinder is fixedly connected with the end part of the roller body through a support rod.
Preferably, a reduced diameter portion having a cooling medium outlet is rotatably connected to the top of the liquid supply tank.
According to the above technical scheme, the utility model discloses an advantage lies in with positive effect:
the embodiment of the utility model discloses calcium aluminum alloy ball production line promotes the cooling medium through the infusion spiral and flows at this internal high speed of roller, and the cooling medium absorbs heat rapidly in the flow, keeps the stability of roller shell temperature, makes roller body and roller shell be connected closely to make the die mould technology continuously go on steadily, guaranteed the balling-up quality of raw and other materials.
Drawings
FIG. 1 is a schematic structural view of a medium-pressure ball device in a production line of calcium-aluminum alloy balls for steelmaking provided by the utility model.
Fig. 2 is a schematic view of the structure of the left forming roll in fig. 1.
The reference numerals are explained below: 1. a first barrel; 2. a second barrel; 3. a feed screw; 4. a conveying screw; 5. a hopper; 6. a left forming roller; 61. a roller sleeve; 62. a roller body; 63. a liquid guide cylinder; 64. a transfusion spiral; 65. a diameter reducing portion; 7. a right forming roll; 8. a liquid outlet pipe; 9. a liquid supply tank; 10. a liquid inlet pipe.
Detailed Description
Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.
Referring to fig. 1, the utility model provides a calcium-aluminum alloy ball production line, which is used for producing calcium-aluminum alloy for steelmaking, deoxidation and slagging. In the production process, raw materials of the calcium-aluminum alloy ball composition are prepared in advance, wherein the raw materials comprise metallic calcium slag, metallic aluminum powder, production metallic calcium dust-collecting powder, metallic aluminum dust-collecting powder, a binding agent, a metal active agent and the like, and then the raw materials are subjected to processes including crushing, mixing, pressing and blanking. For better explanation of the present invention, the whole manufacturing process from the starting of the raw materials to the production of the calcium-aluminum alloy balls will be described below.
Crushing: as for the material in the raw material, such as calcium metal slag, pulverization is performed by a pulverizing device to form a prescribed particle size, and as for the pulverizing device, for example, a high-speed pulverizer having pulverizing blades can be used.
Mixing: for each of the prescribed materials in the raw materials, the respective materials are completely mixed by a mixing device. For the mixing device, for example, a high-speed mixer having a rotating blade may be used.
Profiling: quantitatively conveying the mixed materials, and profiling the mixed materials through a ball pressing device to form a calcium-aluminum alloy ball finished product. The application mainly improves the ball pressing device, and the specific structure of the ball pressing device will be further explained in the following.
Blanking: conveying the finished calcium-aluminum alloy ball obtained by ball pressing through a conveying device, and packaging the finished calcium-aluminum alloy ball through a packaging machine. For the conveying device, for example, a belt conveyor may be used, and for the packaging machine, for example, a strapping machine with a linear guide may be used.
The ball pressing device in the present application is capable of quantitatively conveying raw materials, and extruding the raw materials, and referring to fig. 1, the ball pressing device includes a feeding unit, a transmission unit, and a forming unit.
The feeding unit is mainly used for realizing quantitative feeding and ensuring that raw materials uniformly enter the forming unit; the forming unit is the core part of the pellet pressing device and is used for carrying out physical extrusion friction on the raw materials to ensure that the raw materials form pellets; the transmission unit is used for providing power for the feeding unit and the forming unit.
The feeding unit comprises a conveying mechanism and a feeding mechanism; the conveying mechanism is used for conveying raw materials in the horizontal direction and is provided with a first material cylinder 1 extending along the transverse direction, a conveying screw 4 extending along the axial direction of the first material cylinder 1 is arranged in the first material cylinder 1, and a hopper 5 communicated with the first material cylinder 1 is further arranged at the upper part of the first material cylinder 1; the feeding mechanism is used for quantitative feeding and is provided with a second material barrel 2 extending along the vertical direction, the second material barrel 2 is positioned at the discharge end of the first material barrel 1 and is communicated with the first material barrel 1, and a feeding screw 3 extending along the axial direction of the second material barrel 2 is arranged in the second material barrel 2. The end sides of the conveyor screw 4 and the feed screw 3 are connected to a drive device, such as a motor, for rotating the conveyor screw 4 and the feed screw 3 to achieve the functions of material replenishment and dosing. For convenience of description, the transverse direction is a horizontal direction parallel to the axial direction of the first barrel 1, the longitudinal direction is a horizontal direction perpendicular to the transverse direction, and the vertical direction is a height direction perpendicular to the transverse direction.
The forming unit is provided with a pair of parallel and longitudinally arranged rollers, namely the pair of rollers comprises a left forming roller 6 and a right forming roller 7, and the left forming roller 6 and the right forming roller 7 cooperatively perform physical extrusion friction on the raw materials. The left and right forming rollers 6 and 7 have substantially the same structure, and the structure of the left forming roller 7 will be representatively described below.
As shown in fig. 2, the left forming roll 6 includes a cylindrical and hollow roll body 62, and a roll cover 61 fitted around the outer peripheral surface of the roll body 62.
The roller body 62 has reduced diameter portions 65 with reduced outer diameters formed at both ends thereof, and each reduced diameter portion 65 is inserted into a bearing and rotatably connected to a frame (not shown) via the bearing. A motor (not shown) is connected to one end of the left forming roll 6. Thereby, the left forming roller 6 can be rotated. In addition, the left forming roller 6 and the right forming roller 7 are in transmission connection through a transmission gear, so that the rotating speeds of the left forming roller and the right forming roller are the same, and the rotating directions are opposite.
The roller sleeve 61 is positioned between the two diameter reducing parts 65 of the roller body 62, the peripheral surface of the roller sleeve 61 extends inwards to form hemispherical forming grooves, the forming grooves distributed on the two roller sleeves 61 correspond to each other one by one and can be matched to form spherical grooves, and the raw materials are physically extruded and formed in the spherical grooves to form pellets.
After the forming roller works for a long time, the temperature generated by mechanical work or physical compression friction is transmitted to the roller sleeve, the temperature of the roller sleeve is increased, and the outer diameter of the roller sleeve is enlarged, contacted and damaged due to thermal expansion. In order to solve this technical problem, the forming unit further comprises a cooling mechanism by which the heat carried by the friction between the raw material and the forming roll can be reduced.
Referring to fig. 2, the cooling mechanism includes a liquid supply tank 9 and a liquid guide cylinder 63.
The liquid supply tank 9 can supply cooling media such as water and refrigerant liquid, a bearing as described above is fixed to one side of the liquid supply tank 9, and a reducing portion 65 of each of the left forming roller 6 and the right forming roller 7 is inserted into the bearing, so that the left forming roller 6 and the right forming roller 7 are rotatably connected with the liquid supply tank 9. The bottom of the liquid supply box 9 is connected with a liquid outlet pipe 8, a bearing is installed in another reducing part 65 of the left forming roller 6 and the right forming roller 7, a liquid inlet pipe 10 is inserted in the bearing in the reducing part 65, one end part of the liquid inlet pipe 10 extends into the roller body 62, and the liquid inlet pipe 10 and the liquid outlet pipe 8 are communicated with a pump (not shown).
The liquid guide cylinder 63 is inserted into the roller body 62, a gap, namely a water flow channel, is formed between the liquid guide cylinder 63 and the roller body 61, and after a cooling medium enters the roller body 61, the cooling medium flows along the gap between the liquid guide cylinder 63 and the roller body 61, so that the cooling medium does not need to be filled in the hollow part of the whole roller body 61, and the flow rate of the cooling medium is high.
Gaps are formed between both end surfaces of the liquid guide cylinder 63 and both end surfaces of the roller body 62, so that the cooling medium can smoothly flow in or out.
One end of the liquid guide cylinder 63 is fixedly attached to a reduced diameter portion 65 rotatably connected to the liquid supply tank 9, and is supported by the reduced diameter portion 65, and the portion of the reduced diameter portion 65 close to the liquid guide cylinder 63 is provided with the through hole through which the cooling medium in the roller main body 62 can enter the reduced diameter portion 65. A support rod can be connected between the end of the liquid guide cylinder 63 and the end of the roller body 62 to improve the structural stability of the liquid guide cylinder 63.
The liquid guide cylinder 65 is also internally sleeved with a liquid conveying screw 64 extending along the axial direction of the liquid guide cylinder, and the liquid conveying screw 64 is used for conveying a cooling medium and increasing the flow speed of the cooling medium.
The diameter reducing part 65 connected with the liquid guide cylinder 63 extends out of the roller body 62, is rotatably connected to the liquid supply tank 9 through a bearing and extends into the liquid supply tank 9 to form a cooling medium outlet, the diameter reducing part 65 is preferably arranged at the top of the liquid supply tank 9, and after the cooling medium flows out of the diameter reducing part 65, the cooling medium naturally falls down and is collected in the liquid supply tank 9, so that the problem of tightness between the liquid supply tank 9 and the diameter reducing part 65 is not required to be considered.
In the process of rotating the pair of rollers, the cooling medium in the liquid supply tank 9 is conveyed into the hollow part of the roller body 62 by the pump through the liquid outlet pipe 8 and the liquid inlet pipe 10 in sequence, when the infusion screws 64 in the left forming roller 6 and the right forming roller 7 rotate around the axes thereof, the cooling medium rapidly flows in the direction close to the liquid supply tank 9 along the gap between the liquid guide cylinder 63 and the roller body 62 by the rotation of the infusion screws 64, enters the through hole of the diameter reducing part 65 and then flows back to the liquid supply tank 9. Therefore, the high-speed flowing of the cooling medium in the roller body 62 is promoted by the liquid conveying screw 64, the cooling medium absorbs heat rapidly in the flowing process, the temperature of the roller sleeve 61 is kept stable, the connection tightness between the roller sleeve 61 and the roller body 62 is ensured, the profiling process is continuously and stably carried out, and the balling quality of the raw materials is ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a calcium-aluminium alloy ball production line for steelmaking, its characterized in that, this production line includes the ball device of pressing, and the ball device of pressing includes:
the forming unit comprises a left forming roller and a right forming roller which are arranged in parallel, and the two forming rollers comprise roller bodies and roller sleeves sleeved on the peripheral surfaces of the roller bodies;
a feeding unit including a feeding screw extending in a vertical direction, the feeding screw being positioned above a gap space formed by the left forming roller and the right forming roller;
and the cooling unit comprises an infusion spiral connected in the roller body, and the infusion spiral is used for promoting a cooling medium to flow in the roller body so as to control the temperature rise of the roller body and the roller sleeve.
2. The calcium-aluminum alloy ball production line for steelmaking as set forth in claim 1, wherein the cooling unit further includes a liquid guiding cylinder inserted into the roller body with a gap therebetween so that a water flow passage is formed between the roller body and the liquid guiding cylinder.
3. A calcium-aluminum alloy ball production line for steelmaking as set forth in claim 2 wherein a reduced diameter portion whose outer diameter is reduced is formed at one end of the liquid guide cylinder, one end of the reduced diameter portion is projected out of the roll main body to form the outlet for the cooling medium, and the reduced diameter portion located inside the roll main body is formed with a through hole.
4. The production line of calcium-aluminum alloy balls for steel making as set forth in claim 3, wherein reduced diameter portions having a reduced outer diameter are formed at both end portions of the roller body, respectively, each reduced diameter portion is inserted into the bearing, one reduced diameter portion extends inward to the liquid guide cylinder, and a through hole is opened at a portion thereof close to the liquid guide cylinder.
5. The production line of calcium-aluminum alloy balls for steelmaking as set forth in claim 2, wherein gaps are provided between both end faces of the liquid guide cylinder and both end faces of the roller body.
6. The calcium-aluminum alloy ball production line for steelmaking as set forth in claim 4, wherein the cooling unit further includes a liquid supply tank, a bearing is fixed to one side portion of the liquid supply tank, and a reduced diameter portion having a cooling medium outlet is inserted into the bearing and extends into the liquid supply tank, so that the left forming roll and the right forming roll are rotatably connected to the liquid supply tank.
7. The production line of calcium-aluminum alloy balls for steelmaking as set forth in claim 2, wherein at least one end of the liquid guide cylinder is fixedly connected to an end of the roller body through a support rod.
8. The calcium-aluminum alloy ball production line for steelmaking as set forth in claim 4, wherein a reduced diameter portion having a cooling medium outlet is rotatably connected to a top portion of the liquid supply tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220811743.7U CN217324162U (en) | 2022-04-11 | 2022-04-11 | Calcium-aluminum alloy ball production line for steelmaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220811743.7U CN217324162U (en) | 2022-04-11 | 2022-04-11 | Calcium-aluminum alloy ball production line for steelmaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217324162U true CN217324162U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220811743.7U Active CN217324162U (en) | 2022-04-11 | 2022-04-11 | Calcium-aluminum alloy ball production line for steelmaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217324162U (en) |
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2022
- 2022-04-11 CN CN202220811743.7U patent/CN217324162U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Haixing Inventor after: Jiang Dandan Inventor before: Song Haixing Inventor before: Hu Tianqi Inventor before: Ma Yuting Inventor before: Jiang Dandan |
|
| CB03 | Change of inventor or designer information |